darkcomet | 43a4ed2b4e725de6455623338376287d72719f5f922c86b98225c26a9386b8cc

General

Target

78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe
Size

1.4MB
MD5

78583bfb2298f6244e33d32ab6cf69b6
SHA1

5384da6c3020ece0d60ecc9b9a1dba99f3a7efdd
SHA256

43a4ed2b4e725de6455623338376287d72719f5f922c86b98225c26a9386b8cc
SHA512

dd3157dae00e76acefe42a007138e527a38c06a3e53e4d08a7d69ab669aba745ccd66b5da08b82982a3dffe86e367b0cdbe77e06fd5073415225bf1d69a72358
SSDEEP

24576:+ALZqyDW6Kg/Q7MOfs3IdiiWD+E1K5KUu1GrjnJ0N4qPaDT89WaKhKkWdxpam9dd:+ANtId8DP1uJsPJKhKHzpamn

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WindowsUpdateApplication.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	WindowsUpdateApplication.exe

Executes dropped EXE 1 IoCs

Processes:

WindowsUpdateApplication.exe

pid	Process
1680	WindowsUpdateApplication.exe

Loads dropped DLL 4 IoCs

Processes:

78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exeWindowsUpdateApplication.exe

pid	Process
2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe
1680	WindowsUpdateApplication.exe
1680	WindowsUpdateApplication.exe
1680	WindowsUpdateApplication.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exeWindowsUpdateApplication.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsUpdateApplication.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WindowsUpdateApplication.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	WindowsUpdateApplication.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WindowsUpdateApplication.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	WindowsUpdateApplication.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	WindowsUpdateApplication.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WindowsUpdateApplication.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	WindowsUpdateApplication.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

WindowsUpdateApplication.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1680	WindowsUpdateApplication.exe
Token: SeSecurityPrivilege	1680	WindowsUpdateApplication.exe
Token: SeTakeOwnershipPrivilege	1680	WindowsUpdateApplication.exe
Token: SeLoadDriverPrivilege	1680	WindowsUpdateApplication.exe
Token: SeSystemProfilePrivilege	1680	WindowsUpdateApplication.exe
Token: SeSystemtimePrivilege	1680	WindowsUpdateApplication.exe
Token: SeProfSingleProcessPrivilege	1680	WindowsUpdateApplication.exe
Token: SeIncBasePriorityPrivilege	1680	WindowsUpdateApplication.exe
Token: SeCreatePagefilePrivilege	1680	WindowsUpdateApplication.exe
Token: SeBackupPrivilege	1680	WindowsUpdateApplication.exe
Token: SeRestorePrivilege	1680	WindowsUpdateApplication.exe
Token: SeShutdownPrivilege	1680	WindowsUpdateApplication.exe
Token: SeDebugPrivilege	1680	WindowsUpdateApplication.exe
Token: SeSystemEnvironmentPrivilege	1680	WindowsUpdateApplication.exe
Token: SeChangeNotifyPrivilege	1680	WindowsUpdateApplication.exe
Token: SeRemoteShutdownPrivilege	1680	WindowsUpdateApplication.exe
Token: SeUndockPrivilege	1680	WindowsUpdateApplication.exe
Token: SeManageVolumePrivilege	1680	WindowsUpdateApplication.exe
Token: SeImpersonatePrivilege	1680	WindowsUpdateApplication.exe
Token: SeCreateGlobalPrivilege	1680	WindowsUpdateApplication.exe
Token: 33	1680	WindowsUpdateApplication.exe
Token: 34	1680	WindowsUpdateApplication.exe
Token: 35	1680	WindowsUpdateApplication.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31
PID 2068 wrote to memory of 1680	2068	78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\78583bfb2298f6244e33d32ab6cf69b6_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\WindowsUpdateApplication.exe
  C:\Users\Admin\AppData\Local\Temp\\WindowsUpdateApplication.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\WindowsUpdateApplication.exe

Filesize
634KB

MD5
100986547ce58f5b550fe6e0cd9c8eeb

SHA1
4caade10e1a65f4ee0ed69bd7a3c9c4c3ac5f027

SHA256
563e4ad0096ea07374f73ac9d92f1959a8190fb38a214f362b26ec37c2e6bfa6

SHA512
f0c7d19c1381046092d2f75648e0a3392923ca5d00f173cd0a45231e7ba82b316e8e7ce70a8dac3308aa47b8abfc2432ddff1347860bd483c24a3ab50f0ace6f

Download Submit
memory/1680-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-26-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2068-2-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2068-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/2068-12-0x0000000074940000-0x000000007502E000-memory.dmp

Filesize
6.9MB

Download
memory/2068-1-0x0000000000E60000-0x0000000000E8A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads